Radeon RX 6850M XT and GeForce RTX 4090 Mobile - video card comparison

Radeon RX 6850M XT

GeForce RTX 4090 Mobile

Architecture

RDNA 2 (2020−2022)

Ada Lovelace

GPU code name

Navi 22

GN21-X11

Market segment

Laptop

Release date

January 2022

January 2023

Interface

PCIe 4.0 x16

Supplementary power connectors

None

Boost clock speed

2463 MHz

2040 MHz

Manufacturing process technology

7 nm

5 nm

Number of transistors

17,200 million

45,900 million

Pipelines / CUDA cores

2560

9728

Power consumption (TDP)

145 Watt

150 Watt (80 - 150 Watt TGP)

Texture fill rate

413.0

515.3

Memory type

GDDR6

Maximum RAM amount

12 GB

16 GB

Memory bus width

192 Bit

256 Bit

Memory clock speed

18000 MHz

20000 MHz

Memory bandwidth

384.0 GB/s

576.0 GB/s

Shared memory

Display Connectors

No outputs

Portable Device Dependent

DirectX

12 Ultimate (12_2)

CUDA

8.9

OpenCL

2.1

3.0

OpenGL

4.6

Shader Model

6.5

6.7

Vulkan

1.2

1.3